oj.uz

Submission #586500

# Submission time Handle Problem Language Result Execution time Memory
586500 2022-06-30T10:51:53 Z Meloric Stranded Far From Home (BOI22_island) C++14
100 / 100
 239 ms 36308 KB 
#include <bits/stdc++.h>
#define pb push_back
#define int int64_t
#define pii pair<int, int>
#define X first
#define Y second
#define all(x) (x).begin(),(x).end()
#define lb lower_bound
#define ub upper_bound

using namespace std;

const int inf  = 1e18;

void p(auto A){
	for(auto e : A)cout << e << ' ';
	cout << '\n';
}
void solve(){
	int n, m; cin >> n >> m;
	vector<int>A(n);
	for(int i = 0; i< n; i++)cin >> A[i];
	vector<vector<int>> g(n);
	for(int i = 0; i< m; i++){
		int c, d; cin >> c >> d; c--; d--;
		g[c].pb(d);
		g[d].pb(c);
	}
	vector<int> par(n, -1);
	auto find = [&](auto&& self, int u)->int{
		return par[u] < 0 ? u : par[u] = self(self, par[u]);
	};
	auto uni = [&](int u, int v)->bool{
		u = find(find, u);
		v = find(find, v);
		if(u == v)return false;
		par[u] += par[v];
		par[v] = u;
		return true;
	};
	vector<int> per(n);
	iota(all(per), 0);
	sort(all(per), [&](int i, int j)->bool{return A[i] < A[j];});
		
	vector<vector<int>> tre(n);
	vector<int> vis(n);
	for(auto u : per){
		vis[u] = 1;
		for(auto v : g[u])if(vis[v])if(find(find, v) != u){
			tre[u].pb(find(find,v));
			uni(u, v);
		}
	}	
	vector<int>B = A;
	for(auto u : per)for(auto v : tre[u])B[u] += B[v];
	reverse(all(per));
	vector<int> ans(n);
	ans[per[0]] = 1;
	for(auto u : per)for(auto v : tre[u])if(B[v] >= A[u])ans[v] = ans[u];
	for(auto e : ans)cout << e;
}
signed main(){
	ios_base::sync_with_stdio(false);
	cin.tie(NULL);
	
	int t = 1;
	//cin >> t;
	while(t--)solve();
}

Compilation message

island.cpp:15:8: warning: use of 'auto' in parameter declaration only available with '-fconcepts-ts'
   15 | void p(auto A){
      |        ^~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 2 ms 592 KB Output is correct
5 Correct 2 ms 556 KB Output is correct
6 Correct 1 ms 468 KB Output is correct
7 Correct 2 ms 544 KB Output is correct
8 Correct 1 ms 468 KB Output is correct
9 Correct 1 ms 596 KB Output is correct
10 Correct 1 ms 596 KB Output is correct
11 Correct 2 ms 596 KB Output is correct
12 Correct 1 ms 596 KB Output is correct
13 Correct 2 ms 596 KB Output is correct
14 Correct 1 ms 596 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 157 ms 32236 KB Output is correct
4 Correct 165 ms 33260 KB Output is correct
5 Correct 148 ms 30144 KB Output is correct
6 Correct 157 ms 31948 KB Output is correct
7 Correct 158 ms 31064 KB Output is correct
8 Correct 191 ms 32960 KB Output is correct
9 Correct 159 ms 32460 KB Output is correct
10 Correct 104 ms 29552 KB Output is correct
11 Correct 104 ms 28988 KB Output is correct
12 Correct 159 ms 31484 KB Output is correct
13 Correct 129 ms 32460 KB Output is correct
14 Correct 138 ms 33104 KB Output is correct
15 Correct 152 ms 32596 KB Output is correct
16 Correct 98 ms 32716 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 320 KB Output is correct
2 Correct 196 ms 32880 KB Output is correct
3 Correct 196 ms 31996 KB Output is correct
4 Correct 148 ms 33108 KB Output is correct
5 Correct 138 ms 32588 KB Output is correct
6 Correct 200 ms 31436 KB Output is correct
7 Correct 165 ms 33356 KB Output is correct
8 Correct 169 ms 33320 KB Output is correct
9 Correct 98 ms 32460 KB Output is correct
10 Correct 157 ms 30000 KB Output is correct
11 Correct 153 ms 32224 KB Output is correct

Subtask #4
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 228 ms 32292 KB Output is correct
3 Correct 194 ms 33352 KB Output is correct
4 Correct 210 ms 31488 KB Output is correct
5 Correct 167 ms 35024 KB Output is correct
6 Correct 162 ms 31880 KB Output is correct
7 Correct 111 ms 31048 KB Output is correct
8 Correct 106 ms 36308 KB Output is correct
9 Correct 110 ms 19308 KB Output is correct
10 Correct 164 ms 31720 KB Output is correct
11 Correct 168 ms 30936 KB Output is correct

Subtask #5
35.0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 2 ms 592 KB Output is correct
5 Correct 2 ms 556 KB Output is correct
6 Correct 1 ms 468 KB Output is correct
7 Correct 2 ms 544 KB Output is correct
8 Correct 1 ms 468 KB Output is correct
9 Correct 1 ms 596 KB Output is correct
10 Correct 1 ms 596 KB Output is correct
11 Correct 2 ms 596 KB Output is correct
12 Correct 1 ms 596 KB Output is correct
13 Correct 2 ms 596 KB Output is correct
14 Correct 1 ms 596 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 157 ms 32236 KB Output is correct
18 Correct 165 ms 33260 KB Output is correct
19 Correct 148 ms 30144 KB Output is correct
20 Correct 157 ms 31948 KB Output is correct
21 Correct 158 ms 31064 KB Output is correct
22 Correct 191 ms 32960 KB Output is correct
23 Correct 159 ms 32460 KB Output is correct
24 Correct 104 ms 29552 KB Output is correct
25 Correct 104 ms 28988 KB Output is correct
26 Correct 159 ms 31484 KB Output is correct
27 Correct 129 ms 32460 KB Output is correct
28 Correct 138 ms 33104 KB Output is correct
29 Correct 152 ms 32596 KB Output is correct
30 Correct 98 ms 32716 KB Output is correct
31 Correct 0 ms 320 KB Output is correct
32 Correct 196 ms 32880 KB Output is correct
33 Correct 196 ms 31996 KB Output is correct
34 Correct 148 ms 33108 KB Output is correct
35 Correct 138 ms 32588 KB Output is correct
36 Correct 200 ms 31436 KB Output is correct
37 Correct 165 ms 33356 KB Output is correct
38 Correct 169 ms 33320 KB Output is correct
39 Correct 98 ms 32460 KB Output is correct
40 Correct 157 ms 30000 KB Output is correct
41 Correct 153 ms 32224 KB Output is correct
42 Correct 1 ms 212 KB Output is correct
43 Correct 228 ms 32292 KB Output is correct
44 Correct 194 ms 33352 KB Output is correct
45 Correct 210 ms 31488 KB Output is correct
46 Correct 167 ms 35024 KB Output is correct
47 Correct 162 ms 31880 KB Output is correct
48 Correct 111 ms 31048 KB Output is correct
49 Correct 106 ms 36308 KB Output is correct
50 Correct 110 ms 19308 KB Output is correct
51 Correct 164 ms 31720 KB Output is correct
52 Correct 168 ms 30936 KB Output is correct
53 Correct 0 ms 212 KB Output is correct
54 Correct 0 ms 212 KB Output is correct
55 Correct 1 ms 340 KB Output is correct
56 Correct 2 ms 584 KB Output is correct
57 Correct 2 ms 596 KB Output is correct
58 Correct 1 ms 468 KB Output is correct
59 Correct 2 ms 468 KB Output is correct
60 Correct 2 ms 468 KB Output is correct
61 Correct 1 ms 596 KB Output is correct
62 Correct 2 ms 596 KB Output is correct
63 Correct 2 ms 596 KB Output is correct
64 Correct 1 ms 596 KB Output is correct
65 Correct 2 ms 596 KB Output is correct
66 Correct 2 ms 596 KB Output is correct
67 Correct 149 ms 33316 KB Output is correct
68 Correct 145 ms 33596 KB Output is correct
69 Correct 160 ms 30468 KB Output is correct
70 Correct 177 ms 32364 KB Output is correct
71 Correct 166 ms 30740 KB Output is correct
72 Correct 188 ms 32364 KB Output is correct
73 Correct 166 ms 32320 KB Output is correct
74 Correct 111 ms 29864 KB Output is correct
75 Correct 140 ms 30156 KB Output is correct
76 Correct 174 ms 31808 KB Output is correct
77 Correct 158 ms 32424 KB Output is correct
78 Correct 171 ms 32332 KB Output is correct
79 Correct 163 ms 33996 KB Output is correct
80 Correct 97 ms 34728 KB Output is correct
81 Correct 238 ms 31664 KB Output is correct
82 Correct 210 ms 32424 KB Output is correct
83 Correct 165 ms 31344 KB Output is correct
84 Correct 164 ms 33260 KB Output is correct
85 Correct 230 ms 34180 KB Output is correct
86 Correct 188 ms 36156 KB Output is correct
87 Correct 175 ms 36004 KB Output is correct
88 Correct 150 ms 28820 KB Output is correct
89 Correct 155 ms 29964 KB Output is correct
90 Correct 210 ms 30596 KB Output is correct
91 Correct 231 ms 34212 KB Output is correct
92 Correct 232 ms 34844 KB Output is correct
93 Correct 198 ms 33996 KB Output is correct
94 Correct 181 ms 31116 KB Output is correct
95 Correct 116 ms 31548 KB Output is correct
96 Correct 103 ms 35128 KB Output is correct
97 Correct 115 ms 18504 KB Output is correct
98 Correct 163 ms 30892 KB Output is correct
99 Correct 149 ms 31500 KB Output is correct
100 Correct 48 ms 6872 KB Output is correct
101 Correct 223 ms 34728 KB Output is correct
102 Correct 154 ms 26780 KB Output is correct
103 Correct 219 ms 26356 KB Output is correct
104 Correct 239 ms 30240 KB Output is correct